Key Points - Japan's Taigei-class ("Big Whale") diesel-electric attack submarines, with four completed by 2025 including the recently commissioned JS Raigei, represent a significant leap in ...

The Japan Maritime Self-Defense Force said it is building up defense capabilities to enhance deterrence and response.

Japan has commissioned a new hunter-killer submarine that can operate in shallow seas to protect borders. Called Raigei or Thunder Whale, the diesel-electric submarine is initially planned to operate ...

Designed with radical concepts and extraordinary capabilities, this submarine represented Japan’s willingness to push naval ...

TOKYO (AP) — Japan’s military said it dispatched a surveillance plane and a navy ship Tuesday after spotting a Russian submarine off the coast of a southwestern island near Taiwan. The Russian ...

Japan took the unusual step Monday of announcing that it had carried out the drills, which also involved two destroyers and a helicopter carrier. Japan took the unusual step Monday of announcing that ...

The anti-submarine drill was conducted on Thursday in the South China Sea to "improve strategic techniques", the defence ministry said in a short statement. China claims most of the resource-rich ...

The Japanese Navy included five Type A midget submarines in the Pearl Harbor raid of 7 December 1941. Transported on board large I type submarines, the midgets were launched near the entrance to Pearl ...